All names: Gaia DR3 1572188107440718848, PG 1219+534, [TFW97] J122129.07+530436.58, Gaia EDR3 1572188107440718848, TIC 165312944, HIDDEN NAME PG 1219+533, GALEX J122128.9+530435, SBSS 1219+533, Gaia DR2 1572188107440718848, PG1219+533, GSC 03834-00078, V* KY UMa, 2MASS J12212908+5304367
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 12 21 29.09 (0.02) | 12 21 29.08 | 12 21 29.09 (0.02) | ||
| Declination | 53 04 36.92 (0.02) | 53 04 36.40 | 53 04 36.80 (0.02) | ||
| Spectral type | sdBV | sdB | |||
| Effective temperature | [K] | 34300.0 | |||
| log(g) | [cgs] | 5.95 | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 1.82 (0.03) | 1.82 (0.05) | 1.82 (0.03) | |
| Distance | [pc] | 550.84 (9) | 548.70 (14) | 550.84 (9) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -2.829 (0.03) | -2.899 (0.06) | -2.829 (0.03) | |
| Proper motion (declination) | [mas/yr] | 8.036 (0.03) | 7.976 (0.06) | 8.036 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 12.41 | ||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 13.93 (0.03) | 13.93 (0.03) | |||
| H magnitude | 14.01 (0.04) | 14.01 (0.04) | |||
| K magnitude | 14.12 (0.07) | 14.12 (0.07) | |||
| u magnitude | 13.14 (0.003) | ||||
| g magnitude | 13.16 (0.002) | ||||
| r magnitude | 13.54 (0.002) | ||||
| i magnitude | 14.62 (0.009) | ||||
| z magnitude | 14.57 (0.009) | ||||
| G magnitude | 13.17 (0.003) | 13.18 (0.0007) | 13.17 (0.003) | ||
| BP magnitude | 13.00 (0.003) | 12.94 (0.006) | |||
| RP magnitude | 13.49 (0.004) | 13.48 (0.002) | |||
| Pan g magnitude | 13.22 | ||||
| Pan r magnitude | 13.44 (0.002) | ||||
| Pan i magnitude | 13.86 (0.004) | ||||
| Pan z magnitude | 14.12 (0.002) | ||||
| Pan y magnitude | 14.31 (0.003) | ||||
| E(B-V) | 0.018 | ||||
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.